Oil cylinder with dust cover

Abstract

The utility model discloses an oil cylinder with a dust cover, which relates to the technical field of die-casting production and comprises an oil cylinder and a dust cover bottom fixedly mounted on the oil cylinder, a dust cover cap is arranged on one side of the dust cover bottom, a first end of the dust cover cap is connected with the dust cover bottom through a hinge, and a second end of the dust cover cap is connected with the dust cover bottom through a hinge. A locking assembly is arranged at the second end of the dust cover cap and used for fixing the dust cover cap, and a travel switch assembly is arranged in the dust cover bottom. According to the utility model, the travel switch, the signal line and other electrical components can be effectively protected, the influence of severe environment on the electrical components is avoided, maintenance in the shutdown process is facilitated, and convenience is brought to die-casting production.

Description

Technical Field

[0001] The utility model relates to the technical field of die-casting production, in particular to an oil cylinder with a dust cover. Background Art

[0002] During the high-pressure casting production process, due to the process characteristics of high pressure, high temperature and high speed, pollutants such as water vapor, oil, fine dust particles and splashed aluminum liquid have always existed in the production environment. During the operation of the oil cylinder, the above oil and water vapor condensation, mixed with dust in the environment, will cause the travel switch and contact terminal to fail. The splash of high-temperature aluminum liquid sprayed onto the travel switch assembly or cable will also damage the travel switch, causing shutdown for maintenance and affecting the production rhythm. Utility Model Content

[0003] In view of the above technical problems, the technical solution adopted by the utility model is: a cylinder with a dust cover, comprising a cylinder, and also comprising: a dust cover bottom, the dust cover bottom is fixedly installed on the cylinder, a dust cover cover is arranged on one side of the dust cover bottom, the first end of the dust cover cover is connected to the dust cover bottom through a hinge, the second end of the dust cover cover is arranged with a locking assembly, the locking assembly is used to fix the dust cover cover, and a travel switch assembly is arranged inside the dust cover bottom.

[0004] Furthermore, the locking assembly includes a hinge mounting plate, which is connected to the dust cover through a hinge, a latch lock fixing plate is fixedly mounted on the hinge mounting plate, a latch locking plate is arranged on the side of the latch lock fixing plate, the latch locking plate is fixedly mounted on the bottom of the dust cover, and a latch is slidably mounted inside the latch lock fixing plate.

[0005] Furthermore, the travel switch assembly includes a reciprocating unit and a contact unit, and the reciprocating unit and the contact unit are both arranged in the bottom of the dust cover.

[0006] Furthermore, the contact unit includes a travel switch, two of which are provided, a travel switch adjustment plate is fixedly mounted on the bottom of each travel switch, and the travel switch adjustment plate is fixedly mounted inside the bottom of the dust cover.

[0007] Furthermore, the reciprocating motion unit includes a second travel switch signal rod, which is a hollow structure. The second travel switch signal rod is slidably mounted on the first travel switch signal rod, and the first travel switch signal rod is fixedly mounted inside the bottom of the dust cover through a first travel switch signal rod fixing block. Two impact block units are arranged on the second travel switch signal rod, and the impact block units are respectively in contact with and cooperate with the two travel switches.

[0008] Furthermore, the collision block unit includes a travel switch collision block, which is annular and has an opening, and both ends of the opening of the travel switch collision block are fastened by hexagon socket screws.

[0009] Furthermore, the contact unit also includes a signal line-in and a signal line-out, the first end of the signal line-in is connected to an aviation plug, the second end of the signal line-in is connected to the first travel switch through a signal line fixing nut, the first end of the signal line-out is connected to the aviation plug, and the second end of the signal line-out is connected to the second travel switch through a signal line fixing nut.

[0010] Furthermore, a travel switch signal rod connecting block is also provided on the travel switch signal rod second, and a hexagonal nut second is threadedly connected to the travel switch signal rod connecting block.

[0011] Compared with the prior art, the utility model has the following beneficial effects: (1) by providing a dust cover bottom and a dust cover cover, the utility model can isolate the travel switch assembly from high-temperature aluminum liquid splashes, dust, oil, and moisture in the working environment, and ensure that the travel switch collision block contacts the travel switch during the reciprocating motion, and this action is always completed inside the dust cover; (2) when the machine is shut down for maintenance, it is only necessary to slide the latch to separate the latch lock fixing plate from the latch locking plate and open the dust cover, which is simple and convenient to use; (3) the utility model can not only effectively protect electrical components such as the travel switch and the signal line to avoid the influence of harsh environment on them, but also facilitate the maintenance during the shutdown process, bringing convenience to die-casting production. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0013] Figure 2 for Figure 1 A partial enlarged view of point A in the middle.

[0014] Figure 3 It is the front view of the utility model.

[0015] Figure 4 It is a schematic diagram of the local structure of the utility model.

[0016] Figure 5 This is another partial structural schematic diagram of the utility model.

[0017] Figure markings: 1-cylinder; 2-aviation plug; 3-hinge; 4-latch locking plate; 5-signal line fixing nut; 6-latch lock fixing plate; 7-latch; 8-travel switch collision block; 9-signal line-in; 10-travel switch signal rod connecting block; 11-travel switch signal rod fixing block 2; 12-hinge mounting plate; 13-travel switch signal rod fixing block 1; 14-travel switch signal rod 2; 15-travel switch signal rod 1; 16-dust cover; 17-dust cover bottom; 18-travel switch; 19-cylinder joint; 20-hexagonal nut 1; 21-hexagonal nut 2; 22-hexagon socket screw; 23-travel switch adjustment plate; 24-signal line-out. DETAILED DESCRIPTION

[0018] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0019] Example: Figure 1-Figure 5 The oil cylinder with a dust cover shown in the figure includes an oil cylinder 1 and an oil cylinder joint 19. A T-shaped head is provided on the oil cylinder 1. The oil cylinder 1 is also provided with an oil cylinder joint 19. It also includes: a dust cover cover 16, a dust cover bottom 17, a hinge 3, a locking assembly and a travel switch assembly. The oil cylinder 1 and the dust cover bottom 17 are fixedly installed. A dust cover cover 16 is provided on one side of the dust cover bottom 17. The first end of the dust cover cover 16 is connected to the dust cover bottom 17 through the hinge 3, so as to achieve the purpose of opening and closing the dust cover cover 16. A locking assembly is provided on the second end of the dust cover cover 16. The locking assembly is used to fix the dust cover cover 16. A travel switch assembly is provided inside the dust cover bottom 17.

[0020] The hinge 3 is composed of two connecting plates and an axle pin. The first connecting plate is fixedly mounted on the dust cover bottom 17. The axle pin is rotatably mounted on the first connecting plate. The axle pin and the second connecting plate are rotatably mounted. The second connecting plate is fixedly mounted on the dust cover 16.

[0021] The locking assembly includes a hinge mounting plate 12, a hinge 3, a latch locking plate 4, a latch lock fixing plate 6, and a latch 7. The latch lock fixing plate 6 is fixedly mounted on the hinge mounting plate 12, and the latch 7 is slidably mounted inside the latch lock fixing plate 6. A latch locking plate 4 is also provided on the side of the latch lock fixing plate 6 to ensure that the latch 7 can be smoothly inserted into the latch locking plate 4. The latch locking plate 4 is fixedly mounted on the dust cover bottom 17. The hinge mounting plate 12 is connected to the dust cover cover 16 through the hinge 3 to achieve the purpose of opening and closing the hinge mounting plate 12.

[0022] The travel switch assembly includes a reciprocating unit and a contact unit, and both the reciprocating unit and the contact unit are arranged in the dust cover bottom 17 .

[0023] The contact unit includes a travel switch 18 and a travel switch adjustment plate 23. Two travel switches 18 are provided. A travel switch adjustment plate 23 is fixedly mounted on the bottom of each travel switch 18. The travel switch adjustment plate 23 is fixedly mounted inside the dust cover bottom 17 by bolts.

[0024] The reciprocating motion unit includes a travel switch signal rod fixing block 11, a travel switch signal rod fixing block 13, a travel switch signal rod 14, a travel switch signal rod 15, and a hexagonal nut 20. The travel switch signal rod fixing block 13 is fixedly installed inside the dust cover bottom 17 by bolts. The travel switch signal rod fixing block 13 is provided with a travel switch signal rod 15. One end of the travel switch signal rod 15 is fixed by a hexagonal nut 20. The travel switch signal rod 14 is a hollow structure. The travel switch signal rod 14 is slidably installed inside the travel switch signal rod fixing block 11. The travel switch signal rod fixing block 11 is fixedly installed on the dust cover bottom 17 by bolts. The travel switch signal rod fixing block 11 is used to support the travel switch signal rod 14. The travel switch signal rod 14 is parallel to the telescopic rod of the oil cylinder 1. The travel switch signal rod 14 is slidably installed on the travel switch signal rod 15. Two impact block units are provided on the travel switch signal rod 14, and the impact block units are respectively in contact with the two travel switches 18.

[0025] The collision block unit includes a travel switch collision block 8 and a hexagon socket screw 22. The travel switch collision block 8 is annular and is sleeved on the travel switch signal rod 14. The travel switch collision block 8 is provided with an opening, and the two ends of the opening of the travel switch collision block 8 are fastened by the hexagon socket screw 22.

[0026] The contact unit also includes an aviation plug 2, a signal line fixing nut 5, a signal line-in 9 and a signal line-out 24. The first end of the signal line-in 9 is connected to the aviation plug 2, the second end of the signal line-in 9 is connected to the first travel switch 18 through the signal line fixing nut 5, the first end of the signal line-out 24 is connected to the aviation plug 2, and the second end of the signal line-out 24 is connected to the second travel switch 18 through the signal line fixing nut 5.

[0027] The travel switch signal rod 14 is also provided with a travel switch signal rod connecting block 10 and a hexagonal nut 21. The travel switch signal rod connecting block 10 is fixedly installed at the end of the travel switch signal rod 14, and the travel switch signal rod connecting block 10 is threadedly connected with a hexagonal nut 21.

[0028] The working principle of the utility model is as follows: during the working process, one end of the latch 7 slides into the latch locking plate 4, thereby locking the hinge mounting plate 12, and the dust cover 16 cannot be opened at this time; the travel switch signal rod connecting block 10 is connected and locked with the mold assembly through the hexagonal nut 21, and a T-shaped head is provided on the oil cylinder 1, and the T-shaped head of the oil cylinder 1 is connected and locked with the mold assembly to achieve the function of synchronously following the forward and backward movement of the mold assembly, and the position of the travel switch collision block 8 is adjusted so that the mold assembly moves forward and backward respectively and touches the front end contact terminals of the two travel switches 18 of the aviation plug, so that the signal is transmitted to the equipment to achieve the purpose of moving forward and backward; when the oil cylinder 1 is pushed and pulled back During the movement of the mold slider, the travel switch signal rod 15 is fixed on the dust cover bottom 17 by the travel switch signal rod fixing block 13, and the travel switch signal rod 2 14 carries the travel switch bumper 8 to reciprocate. After it contacts the travel switch 18, it transmits the signal to the aviation plug 2 through the signal line-in 9 and the signal line-out 24, and then transmits it to the die-casting machine; in this process, the signal transmission parts such as the wiring position of the travel switch 18, the signal line-in 9, the signal line-out 24, the travel switch bumper 8, etc. are always kept in the dust cover 16 and the dust cover bottom 17 for operation, which can effectively avoid damage caused by high-temperature aluminum liquid splashes, dust, oil stains, water vapor, etc.

[0029] When maintenance is required when not in operation, the user only needs to remove the latch 7 and open the dust cover 16 through the hinge 3 to inspect and maintain the interior.

Claims

1. A cylinder with a dust cover, comprising a cylinder (1), characterized in that: Also includes: A dust cover bottom (17), the dust cover bottom (17) being fixedly mounted on the oil cylinder (1), a dust cover cover (16) being arranged on one side of the dust cover bottom (17), a first end of the dust cover cover (16) being connected to the dust cover bottom (17) via a hinge (3), a locking assembly being arranged at a second end of the dust cover cover (16), the locking assembly being used to fix the dust cover cover (16), and a travel switch assembly being arranged inside the dust cover bottom (17).

2. The oil cylinder with dust cover according to claim 1, characterized in that: The locking assembly comprises a hinge mounting plate (12), the hinge mounting plate (12) being connected to a dust cover (16) via a hinge (3), a latch lock fixing plate (6) being fixedly mounted on the hinge mounting plate (12), a latch locking plate (4) being arranged on the side of the latch lock fixing plate (6), the latch locking plate (4) being fixedly mounted on the dust cover bottom (17), and a latch (7) being slidably mounted inside the latch lock fixing plate (6).

3. The oil cylinder with dust cover according to claim 1, characterized in that: The travel switch assembly comprises a reciprocating unit and a contact unit, and the reciprocating unit and the contact unit are both arranged in the bottom (17) of the dust cover.

4. The oil cylinder with dust cover as claimed in claim 3, characterized in that: The contact unit comprises a travel switch (18), two of which are provided, a travel switch adjustment plate (23) being fixedly mounted on the bottom of each travel switch (18), and the travel switch adjustment plate (23) being fixedly mounted inside the dust cover bottom (17).

5. The oil cylinder with dust cover as claimed in claim 4, characterized in that: The reciprocating motion unit comprises a second travel switch signal rod (14), the second travel switch signal rod (14) being a hollow structure, the second travel switch signal rod (14) being slidably mounted on a first travel switch signal rod (15), the first travel switch signal rod (15) being fixedly mounted inside a dust cover bottom (17) via a first travel switch signal rod fixing block (13), the second travel switch signal rod (14) being provided with two impact block units, the impact block units respectively contacting and cooperating with two travel switches (18).

6. The oil cylinder with dust cover according to claim 5, characterized in that: The collision block unit comprises a travel switch collision block (8), the travel switch collision block (8) is annular, an opening is provided on the travel switch collision block (8), and both ends of the opening of the travel switch collision block (8) are fastened by hexagon socket screws (22).

7. The oil cylinder with dust cover according to claim 6, characterized in that: The contact unit further comprises a signal line-in (9) and a signal line-out (24); the first end of the signal line-in (9) is connected to an aviation plug (2); the second end of the signal line-in (9) is connected to a first travel switch (18) via a signal line fixing nut (5); the first end of the signal line-out (24) is connected to an aviation plug (2); and the second end of the signal line-out (24) is connected to a second travel switch (18) via a signal line fixing nut (5).

8. The oil cylinder with dust cover according to claim 5, characterized in that: The second travel switch signal rod (14) is also provided with a travel switch signal rod connecting block (10), and the travel switch signal rod connecting block (10) is threadedly connected with a second hexagonal nut (21).

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